Ember-1 vs o3-mini

Ember-1 leads the LLM Stats Score 43.6 to 21.4. o3-mini is 3.1x cheaper per token.

Fireworks AI · OpenAI · Updated for 2026

Which is better?

Ember-1 leads the overall LLM Stats Score 43.6 to 21.4, ranking #46 overall.

In the 1 individual benchmarks reported for both models, Ember-1 wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, o3-mini is roughly 3.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Ember-1 also accepts a larger context window (1,040,000 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Ember-1

overall performance matters — it scores 43.6 and ranks #46 on LLM Stats
your work emphasizes reasoning and coding — it leads those capability indexes
you value its reported benchmark strengths — it wins 1 of 1 exact shared results
you process long inputs — it offers a 1,040,000 token context window
you want the most recent training data — it shipped Sep 2026

Choose o3-mini

cost matters — it's about 3.1x cheaper per token

At a glance

The differences that matter most.

Better token value: o3-mini

Core performance indexes

LLM Stats Score

43.6

#46 · 4 evals

Best

21.4

#202 · 25 evals

Reasoning

38.6

#70 · 3 evals

Best

20.5

#200 · 21 evals

Coding

38.0

#20 · 3 evals

Best

5.0

#216 · 5 evals

Cost, coverage & limits

Benchmark wins

1 of 1

Best

0 of 1

Input price

$3.00 / M

$1.10 / M

Best

Output price

$15.00 / M

$4.40 / M

Best

Context window

1,040,000

Best

200,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared

Index

Ember-1

o3-mini

Tool use

15.9#93 · 2 evals

-0.1#192 · 3 evals

Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

4 reported for Ember-1 · 25 for o3-mini

1 shared

Ember-1 outperforms in 1 benchmarks (SWE-Bench Verified), while o3-mini is better at 0 benchmarks.

Ember-1 significantly outperforms across most benchmarks.

Wed Oct 07 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

o3-mini costs less

For input processing, Ember-1 ($3.00/1M tokens) is 2.7x more expensive than o3-mini ($1.10/1M tokens).

For output processing, Ember-1 ($15.00/1M tokens) is 3.4x more expensive than o3-mini ($4.40/1M tokens).

In conclusion, Ember-1 is more expensive than o3-mini.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers

Wed Oct 07 2026 • llm-stats.com

Ember-1

Input tokens$3.00

Output tokens$15.00

Best providerFireworks

o3-mini

Input tokens$1.10

Output tokens$4.40

Best providerAzure

Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Ember-1 accepts 1,040,000 input tokens compared to o3-mini's 200,000 tokens. Only o3-mini specifies output context (100,000 tokens).

Ember-1

Input1,040,000 tokens

Output- tokens

o3-mini

Input200,000 tokens

Output100,000 tokens

Wed Oct 07 2026 • llm-stats.com

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Ember-1

Proprietary

Closed source

o3-mini

Proprietary

Closed source

Release Timeline

When each model was launched

Ember-1 was released on 2026-09-23, while o3-mini was released on 2025-01-30.

Ember-1 is 20 months newer than o3-mini.

Ember-1

Sep 23, 2026

2 weeks ago

1.6yr newer

o3-mini

Jan 30, 2025

1.7 years ago

Knowledge Cutoff

When training data ends

o3-mini has a documented knowledge cutoff of 2023-09-30, while Ember-1's cutoff date is not specified.

We can confirm o3-mini's training data extends to 2023-09-30, but cannot make a direct comparison without Ember-1's cutoff date.

Ember-1

—

o3-mini

Sep 2023

Provider Availability

Ember-1 is available from Fireworks. o3-mini is available from Azure, OpenAI.

Ember-1

Fireworks

Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

o3-mini

Azure

Input Price:Input: $1.10/1MOutput Price:Output: $4.40/1M

OpenAI

Input Price:Input: $1.10/1MOutput Price:Output: $4.40/1M

* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Ember-1 and o3-mini side-by-side, then vote on the output you prefer.

Ember-1

✓ Preferred

o3-mini

Open in Playground

FAQ

Common questions about Ember-1 vs o3-mini.

Which is better, Ember-1 or o3-mini?

Ember-1 leads the LLM Stats Score 43.6 to 21.4. Ember-1 is made by Fireworks AI and o3-mini is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Ember-1 compare to o3-mini in benchmarks?

Ember-1 scores SWE-Bench Verified: 92.2%, Terminal-Bench 2.1: 82.0%, DeepSWE 1.1: 75.2%, Tau2 Airline: 66.0%. o3-mini scores COLLIE: 98.7%, MATH: 97.9%, IFEval: 93.9%, MGSM: 92.0%, AIME 2024: 87.3%.

Is Ember-1 cheaper than o3-mini?

o3-mini is 2.7x cheaper for input tokens. Ember-1 costs $3.00/M input and $15.00/M output via fireworks. o3-mini costs $1.10/M input and $4.40/M output via azure.

What are the context window sizes for Ember-1 and o3-mini?

Ember-1 supports 1.0M tokens and o3-mini supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Ember-1 and o3-mini?

Key differences include LLM Stats Score (43.6 vs 21.4), context window (1.0M vs 200K), input pricing ($3.00 vs $1.10/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Ember-1 and o3-mini?

Ember-1 is developed by Fireworks AI and o3-mini is developed by OpenAI.

Ember-1 vs o3-mini